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# DS: GMATPREP United Nations

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Director
Joined: 02 Mar 2006
Posts: 579
Location: France
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DS: GMATPREP United Nations [#permalink]  29 Jun 2006, 10:29
00:00

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Question Stats:

0% (00:00) correct 0% (00:00) wrong based on 0 sessions
I cant figure out how to solve this pb, especially in 1,5mn...

In a certain year the UN's total expenditures were 1.6 billion. Of this amount, 67,8 % was paid by the 6 highest-contributing countries, and the balance was paid by the remaining 153 countries. Was country X among the 6 highest-contributing countries?

1. 56% of the total expenditures was paid by the 4 highest contributing countries, each of which paid more than country X.

2. Country X paid 4.8 % of the total expenditures
Senior Manager
Joined: 07 Jul 2005
Posts: 404
Location: Sunnyvale, CA
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Re: DS: GMATPREP United Nations [#permalink]  29 Jun 2006, 10:44
karlfurt wrote:
I cant figure out how to solve this pb, especially in 1,5mn...

In a certain year the UN's total expenditures were 1.6 billion. Of this amount, 67,8 % was paid by the 6 highest-contributing countries, and the balance was paid by the remaining 153 countries. Was country X among the 6 highest-contributing countries?

1. 56% of the total expenditures was paid by the 4 highest contributing countries, each of which paid more than country X.

2. Country X paid 4.8 % of the total expenditures

appears (E) at first shot.

I. clearly insufficient. Doesnt tell us anything abt X. X can be the 5th or 6th one, or can be among the remaining 153

II. insufficient again. doesnt tell us whether X can be in top 6 or not. Imagine, each country in top 6 contributing 67.8/6, which is > 4.8 or imagine one country contributing 60% and then X can be among top 6. Not sufficient.

Combining doesnt make it any clear.
We have 11.8% to be divided among 2 countries. Its possible that 2 countries contribute 11.8/2 leaving X in thelot of 153, or one country contributing 7% and remaining by X (making it into top 6)

(E) is hte best choice.
CEO
Joined: 20 Nov 2005
Posts: 2910
Schools: Completed at SAID BUSINESS SCHOOL, OXFORD - Class of 2008
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I am also getting E.

Lets say expenditure is 100
Six countries paf 67.8
St1:56 is paid by top 4 countries. Nothing can be said about X, it may be number 5,6,7 etc.... or last : INSUFF

St2: 4.8 is paid by X. X could be anywhere (But not #1). : INSUFF

Combined: X could be anywhere starting from 5 to last....
_________________

SAID BUSINESS SCHOOL, OXFORD - MBA CLASS OF 2008

SVP
Joined: 30 Mar 2006
Posts: 1737
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Kudos [?]: 46 [0], given: 0

E

1) 56% is contributed by top4 countries. We donot know anything about country X contribution hence Not suff

2)Country X 's contribution is 4 %. This is Not suff.

Both

Remaining two countries contribute 13odd percent. X has a contribuion of 4%. It can be one of the member and it may not be. hence not suff
Director
Joined: 02 Mar 2006
Posts: 579
Location: France
Followers: 1

Kudos [?]: 47 [0], given: 0

OA E. Thanks for your nice explanations.
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